42mm titanium case size
LTPO3 OLED Always‑On Retina display
Wide-angle OLED
Up to 2000 nits
Up to 40% brighter when viewed at an angle
ECG app
High and low heart rate notifications
Irregular rhythm notifications
Low cardio fitness notifications
Sleep Tracking
Sleep apnea notifications
Vitals app featuring heart rate, respiratory rate, wrist temperature, and sleep duration
Temperature sensing
Cycle Tracking with retrospective ovulation estimates
Emergency SOS
International emergency calling
Fall Detection and Crash Detection
GPS Available cellular connectivity
